0001104659-21-153177.txt : 20211223 0001104659-21-153177.hdr.sgml : 20211223 20211223165207 ACCESSION NUMBER: 0001104659-21-153177 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211214 FILED AS OF DATE: 20211223 DATE AS OF CHANGE: 20211223 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Smith Susan Laura CENTRAL INDEX KEY: 0001901039 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38650 FILM NUMBER: 211517743 MAIL ADDRESS: STREET 1: 5 OVERLOOK CT CITY: LAMBERTVILLE STATE: NJ ZIP: 08530 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Y-mAbs Therapeutics, Inc. CENTRAL INDEX KEY: 0001722964 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 474619612 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 230 PARK AVENUE STREET 2: SUITE 3350 CITY: NEW YORK STATE: NY ZIP: 10169 BUSINESS PHONE: 212-847-9841 MAIL ADDRESS: STREET 1: 230 PARK AVENUE STREET 2: SUITE 3350 CITY: NEW YORK STATE: NY ZIP: 10169 3 1 tm2135463-10_3seq1.xml OWNERSHIP DOCUMENT X0206 3 2021-12-14 1 0001722964 Y-mAbs Therapeutics, Inc. YMAB 0001901039 Smith Susan Laura C/O Y-MABS THERAPEUTICS, INC. 230 PARK AVENUE, SUITE 3350 NEW YORK NY 10169 0 1 0 0 Senior Vice President, CCO /s/ Susan Laura Smith 2021-12-23